The River Market hits its 10 year anniversary this summer, and tonight is the opening event, kicking off 10 weeks of activities and events. After work, from 5- 8 p.m., Donna Massey and Blue Eyed Soul will be at the pavilions for a free concert, with adult beverages on sale. Proceeds will go to the Arthritis Foundation. For a list of upcoming events, visit www.rivermarket10.com.